Natural Selection
Across
- 4. The study of genes and heredity.
- 6. the processes used to create an exact genetic replica of another cell, tissue or organism
- 9. occurs when the sperm from the male parent fertilizes an egg from the female parent, producing an offspring that is genetically different from both parents
- 12. the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
- 13. a modification of an organism or its parts that makes it more fit for existence.
- 14. the process by which species adapt over time in response to their changing environment
- 15. a number that reflects the chance or likelihood that a particular event will occur
Down
- 1. a mode of reproduction in which a new offspring is produced by a single parent.
- 2. a mechanism of evolution
- 3. the presence of differences in sequences of genes between individual organisms of a species.
- 5. a process that uses laboratory-based technologies to alter the DNA makeup of an organism
- 7. the assets that an individual bequeaths to their loved ones after they pass away
- 8. a change in the DNA sequence of an organism
- 10. A phenotypic trait, simply trait, or character state is a distinct variant of a phenotypic characteristic
- 11. choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics